11020021111012 has 12 divisors (see below), whose sum is σ = 19285107918076. Its totient is φ = 5509990277280.

The previous prime is 11020021110991. The next prime is 11020021111037. The reversal of 11020021111012 is 21011112002011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6681273753856 + 4338747357156 = 2584816^2 + 2082966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11020021110983 and 11020021111001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3812163 + ... + 6047530.

Almost surely, 2^{11020021111012} is an apocalyptic number.

It is an amenable number.

11020021111012 is a deficient number, since it is larger than the sum of its proper divisors (8265086807064).

11020021111012 is a wasteful number, since it uses less digits than its factorization.

11020021111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10139118 (or 10139116 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11020021111012 its reverse (21011112002011), we get a palindrome (32031133113023).

The spelling of 11020021111012 in words is "eleven trillion, twenty billion, twenty-one million, one hundred eleven thousand, twelve".